Math, asked by anshikaasingh171, 8 months ago

find the reciprocal of the complex number
(5i-2)^2

Answers

Answered by Thinkab13
6

Answer:

(5i - 2)² = (5i)²+(2)²-2×5i×2

= 25i²+4-20i

= -25+4-20i

= -21-20i

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